The 2023 GMC Sierra 2500HD AT4 4WD is built for those who demand strength, style, and advanced tech in one powerful package. Designed for off-road adventures and tough jobs alike, the AT4 trim brings aggressive capability with 4WD performance, while offering refined touches like leather seats, Bluetooth connectivity, and keyless entry for everyday convenience. With remote start, you can warm up or cool down the cabin before you even step inside. Bold, capable, and smartly equipped, the Sierra 2500HD AT4 is ready. Come test drive today at Bannister GM Edson !